PROCEEDINGS 



AMERICAX PHILOSOPHICAL SOCIETY 



Vpr,. XIII. 1873. No. 90. 



Stated Meeting, January 3rf, 1873. 



Present, 9 members. 



Vice-President, Mr. Fraley, in the Chair. 



A letter accepting the appoinment to prepare an obituary 

 notice of Gen. Meade, was received from Gen. Humphrey-, 

 dated WasEington, December 30th, 1872. 



A letter acknowledging the receipt of Transactions (XL 

 i, ii), was received from the Librarian of the Pennsylvania 

 Historical Society. 



Donations for the Library were received from the Royal 

 Prussian Academy, the Annales des Mines, the Meteorologi- 

 cal Office, R. S. London, Royal Astronomical Society, Nature, 

 the Zoological Museum in Cambridge, Mass., Sillhnan's 

 J< urual, the Philadelphia Park Commissioners, the Con- 

 gressional Library and the "Wisconsin Historical Society. 



The Committee to which was referred the Paper on Chess 

 Knight Tours, was, on motion, requested to report at the 

 next meeting. 



A paper on a Hydraulic Problem near Bethlehem, by Prof. 

 Persifor Frazer, Jr., was, on motion, referred to a Committee 

 coi listing of Mr. Trautaine, Mr. Roberts, and Prof. J. 0. 



A. V. S. — VOL. XIII. A 



